InChI=1S/C20H28N2O2/c1-6-17-15(3)21-20(23)19(22(4)10-11-24-5)18(17)13-16-9-7-8-14(2)12-16/h7-9,12H,6,10-11,13H2,1-5H3,(H,21,23)